What is .fomod?

.fomod is a file extension used by the Mod Manager, a software application used to install and manage game modifications (mods) in a variety of games like Fallout, Skyrim, Oblivion, and more. The .fomod file contains a set of instructions, dependencies, and configuration options required to properly install a mod in the game. It allows mod creators to create easy-to-use installation packages that users can easily select and install with a few clicks. The .fomod file is usually packaged with the compressed mod files in a zip archive and can be extracted using archive software such as WinZip, WinRAR, or 7-Zip.